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DC Field | Value | Language |
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dc.contributor.author | ali z. abu zuhri | |
dc.contributor.author | a. h. radi | |
dc.contributor.author | m. s. shahawi | |
dc.contributor.author | s. m. al-dhaheri | |
dc.date.accessioned | 2020-02-10T11:33:19Z | - |
dc.date.available | 2020-02-10T11:33:19Z | - |
dc.date.issued | 1994 | |
dc.identifier.uri | http://repository.aaup.edu/jspui/handle/123456789/747 | - |
dc.description.abstract | A simple and convenient spectrophotometric procedure is described for the determination of ampicillin. The method is based on the formation of a yellow ternary complex with 1,10-phenanthroline and copper(II) in acetate buffer solution (pH ? 5.0) and measurement at 446 nm. The stoichiometry and stability constant of the ternary complex were determined. Beer?s law is obeyed in the concentration range 2.5-100 ?g cm?3. The optimum concentration range evaluated by Ringbom?s method, the molar absorptivity, and the Sandell sensitivity of the ternary complex were determined. A variety of pharmaceutical dosage forms containing ampicillin were successfully analyzed by the proposed procedure, giving a relative standard deviation of 1.0%. Comparison of results with those of an official method shows good agreement and indicates no significant difference in the precision of the two methods. | |
dc.publisher | Microchemical Journal | |
dc.title | Spectrophotometric Determination of Ampicillin by Ternary Complex Formation with 1, 10-phenanthroline and Copper (II) | |
dc.type | Article | |
Appears in Collections: | Faculty & Staff Scientific Research publications |
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